Add files via upload

AddNew.java

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+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.BufferedWriter;
+import java.io.FileWriter;
+import java.io.IOException;
+
+public class AddNew {
+    // Components
+    private JFrame f;
+    private JPanel p1;
+    private JPanel p2;
+    private JPanel p3;
+    private JPanel p4;
+    private JPanel p5;
+
+    private JLabel l1;
+    private JLabel l2;
+    private JLabel l3;
+    private JLabel l4;
+
+    private JTextField t1;
+    private JTextField t2;
+    private JTextField t3;
+    private JTextField t4;
+
+    private JButton back;
+    private JButton submit;
+    private JButton clear;
+    //. Components
+
+    public AddNew(){
+        f = new JFrame("Add New | Address Book");
+        f.setLayout(new FlowLayout(FlowLayout.RIGHT));
+        f.setSize(350, 500);
+        f.setLocationRelativeTo(null);
+        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+
+        // Panels
+        p1 = new JPanel();
+        p2 = new JPanel();
+        p3 = new JPanel();
+        p4 = new JPanel();
+        p5 = new JPanel();
+        //. Panels
+
+        // Labels
+        l1 = new JLabel("Name:");
+        l2 = new JLabel("Phone:");
+        l3 = new JLabel("Email:");
+        l4 = new JLabel("Street Address:");
+        //. Labels
+
+        // Text Fields
+        t1 = new JTextField(20);
+        t2 = new JTextField(20);
+        t3 = new JTextField(20);
+        t4 = new JTextField(20);
+        //. Text Fields
+
+        // Buttons
+        back = new JButton("Back");
+        clear = new JButton("Clear");
+        submit = new JButton("Submit");
+        //. Buttons
+
+        // Back Button Action
+        back.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                new AddressBook();
+                f.setVisible(false);
+            }
+        });
+        //. Back Button Action
+
+        // Clear Button Action
+        clear.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                t1.setText("");
+                t2.setText("");
+                t3.setText("");
+                t4.setText("");
+            }
+        });
+        //. Clear Button Action
+
+        // Submit Button Action
+        submit.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                try {
+                    FileWriter fw = new FileWriter("Contacts.txt", true);
+                    BufferedWriter bw = new BufferedWriter(fw);
+
+                    String name = t1.getText();
+                    String phone = t2.getText();
+                    String email = t3.getText();
+                    String address = t4.getText();
+
+                    bw.write(name+"\t"+phone+"\t"+email+"\t"+address+"\n");
+                    bw.close();
+                } catch (IOException ex) {
+                    ex.printStackTrace();
+                }
+                finally {
+                    new AddressBook();
+                    f.setVisible(false);
+                }
+            }
+        });
+        //. Submit Button Action
+
+        // Adding Components to Frame
+        p1.add(l1);
+        p1.add(t1);
+        p2.add(l2);
+        p2.add(t2);
+        p3.add(l3);
+        p3.add(t3);
+        p4.add(l4);
+        p4.add(t4);
+        p5.add(back);
+        p5.add(clear);
+        p5.add(submit);
+
+        f.add(p1);
+        f.add(p2);
+        f.add(p3);
+        f.add(p4);
+        f.add(p5);
+        //. Adding Components to Frame
+
+        f.setVisible(true);
+    }
+
+    public static void main(String[] args) {
+        new AddNew();
+    }
+}

AddressBook.java

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+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class AddressBook {
+    // Components
+    private JFrame f;
+    private JPanel p = new JPanel();
+    private JButton view;
+    private JButton create;
+    //. Components
+
+    public AddressBook(){
+        // Frame Functionalities
+        f = new JFrame("Address Book"); // Frame create & Name
+        f.setLayout(new FlowLayout()); // Frame Layout
+        f.setSize(300,100); // Frame Size
+        f.setLocationRelativeTo(null); // Frame Location ==> set to middle of the screen
+        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); // Frame close operation
+        //. Frame functionalities
+
+        // panels
+        //p = new JPanel();
+
+        // Buttons
+        create = new JButton("Add New");
+        view = new JButton("View Contacts");
+        //. Buttons
+
+        // Create Button Actions
+        create.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                new AddNew();
+                f.setVisible(false);
+            }
+        });
+        //. Create Button Actions
+
+        // View Button Actions
+        view.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                new ViewContacts();
+                f.setVisible(false);
+            }
+        });
+        //. View Button Actions
+
+        // Adding Buttons to panel
+        p.add(create);
+        p.add(view);
+        //. Adding Buttons to panel
+
+        // Adding panel to frame & Frame visibility
+        f.add(p);
+        f.setVisible(true);
+        //. Adding panel to frame & Frame visibility
+    }
+    public static void main(String[] args) {
+        new AddressBook();
+    }
+}

ViewContacts.java

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+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.*;
+import java.util.ArrayList;
+
+class ArList{
+    // Components
+    String name;
+    String phone;
+    String email;
+    String address;
+    //. Components
+
+
+    // Constructor
+    public ArList(String name, String phone, String email, String address) {
+        this.name = name;
+        this.phone = phone;
+        this.email = email;
+        this.address = address;
+    }
+    //. Constructor
+}
+
+public class ViewContacts {
+    // Components
+    private JFrame f;
+    private JButton back;
+    private JPanel p1;
+    private JPanel p2;
+    private JScrollPane sp;
+    private JTable t;
+    //. Components
+
+    public ViewContacts(){
+        // Frame
+        f = new JFrame("View Contacts | Address Book");
+        f.setLayout(new FlowLayout());
+        f.setSize(550,600);
+        f.setLocationRelativeTo(null);
+        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        //. Frame
+
+
+        // Back Button Functionality
+        back = new JButton("Back");
+
+        back.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                new AddressBook();
+                f.setVisible(false);
+            }
+        });
+        //. Back Button Functionality
+
+
+        // Array List Generate
+        ArrayList<ArList> data = new ArrayList<>();
+
+        // Table Column Names
+        String[] col = {"Name", "Phone", "Email", "Street Address"};
+
+        // Table Functionality
+        try{
+            FileReader fr = new FileReader("Contacts.txt");
+            BufferedReader br = new BufferedReader(fr);
+
+            String line;
+
+            while( (line = br.readLine()) != null) {
+                String[] parts = line.split("\t");
+                String name = parts[0];
+                String phone = parts[1];
+                String email = parts[2];
+                String address = parts[3];
+
+                ArList details = new ArList(name, phone, email, address);
+                data.add(details);
+            }
+
+            String[][] info = new String[data.size()][col.length];
+
+            for(int i=0; i < data.size();i++){
+                ArList item = data.get(i);
+                info[i][0] = item.name;
+                info[i][1] = item.phone;
+                info[i][2] = item.email;
+                info[i][3] = item.address;
+            }
+
+            t = new JTable(info, col);
+            t.setAutoCreateColumnsFromModel(true);
+            t.setAutoCreateRowSorter(true);
+            t.setFillsViewportHeight(true);
+
+            br.close();
+        }
+        catch (FileNotFoundException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        //. Table Functionality
+
+        // Adding Components to Frame
+        p1 = new JPanel();
+        p2 = new JPanel();
+        p1.add(back);
+        f.add(p1);
+
+        sp = new JScrollPane(t);
+        p2.add(sp);
+        f.add(p2);
+
+        f.setVisible(true);
+        //. Adding Components to Frame
+    }
+
+    public static void main(String[] args) {
+        new ViewContacts();
+    }
+
+}